body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 20px;
}

.course-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 300px;
    overflow: hidden;
    transition: transform 0.2s;
}

.course-card:hover {
    transform: scale(1.05);
}

.course-image {
    width: 100%;
    height: 125px;
    object-fit: cover;
}

.course-content {
    padding: 5px;
}

.course-title {
    font-size: 1.5em;
    margin: 0 0 10px;
}

.course-description {
    color: #666;
    font-size: 0.9em;
    line-height: 1.5;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f4f4f4;
}

.course-price {
    font-size: 1.2em;
    color: #333;
}

.course-button {
    background: #007BFF;
    color: #fff;
    border: none;
    padding: 5px 15px;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
}

.course-button:hover {
    background: #0056b3;
}

.mj {
    width: 1300px;
    height: 800px;

   border-radius:  30px ;
   border: 2px hotpink solid;
    background-color: #f0f0f0;
    box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.2);
    
}
*{
    margin: 0;
    padding: 0;
}
.box{
    width: 1300px;
    height: 54px;
    background-color: #f4f4f4;
    margin: 0 auto;
    /* margin-top: 88px; */
    border-radius: 30px 30px;
    position: relative;
    
}
ul{
    list-style: none;
    /*清除圆点的 */
}
 .box li{
   /* display: inline-block; */
    float: left;
}
.box li a{
    width: 80px;
    /* height: 40px; */
    display: inline-block;
    /* 去下划线的 */
    text-align: center;
    /* 水平居中 */
    line-height: 54px;
    color: #666;
    font-weight: bolder;
    font-size: 20px;
    /* 垂直居中 */
}
a{
text-decoration: none;
color: #fff;
}
a:hover{
    background-color: rgb(0, 0, 0);
    /* height: 54px; */
}
.mj1{
    position: absolute;
    left: 150px;
}
.mj2{
    position: absolute;
    left: 30px;
    height: 60px;
    color: #ffffff;
}